This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. A current, as of air or water, below another current or beneath a surface.

n. An underlying tendency, force, or influence often contrary to what is superficially evident; an intimation: "The Gaucho began to talk, calmly but with an undercurrent of passion” ( Thomas Pynchon).

n. a current which flows under the surface

n. An emotional presence that is concealed rather than exposed.

n. A current below the surface of water, sometimes flowing in a contrary direction to that on the surface.

n. Hence, figuratively, a tendency of feeling, opinion, or the like, in a direction contrary to what is publicly shown; an unseen influence or tendency.

adj. Running beneath the surface; hidden.

Running below or out of sight; hidden.

n. A current in a body of water or other liquid, or in the atmosphere, below the upper or superficial currents.

n. Figuratively, something at work below the surface or out of sight, as influence or feeling, which has a tendency opposite to or different from what is visible or apparent.

n. In hydraul. mining, an arrangement on the sluices which is intended to aid in saving the gold.

n. a subdued emotional quality underlying an utterance; implicit meaning

n. a current below the surface of a fluid

"He has called for people, kids and adults alike, to redouble efforts to fight what he calls an "undercurrent of acceptability" for drunk driving."

substance    meaning   

hidden    underset    underflow    undertow   

twinge    undertone    stirring    flicker    tinge    tremor    overtone    prickle    tingle    surge